Adhesive applicator for wall joint tapes



Jan. 29, 1957 D. G. FORESTA ET AL 2,779,307

ADHESIVE APPLICATOR FOR WALL JOINT TAPES 2 Sheets-Sheet 1 Filed April 1,1955 W 7% a 29 v INVENTORS' 6.Fou as rA & W LLJAM LEVIN DOMIM\C WMmau;WW

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ADHESIVE APPLICATOR FOR WALL JOINT TAPES 2 Sheets-Sheet 2 Filed April 1,1955 OR! DoMnmcK 6-FO2ELSTA WILLIAM BY INVENT ATTO D. u 2Y5 7%0wzgpmmUnited States Patent ADHESIVE APPLICATOR FOR WALL JOINT TAPES DominickG. Foresta and William Levin, Herkimer, N. Y.

Application April 1, 1955, Serial N0. 498,623

3 Claims. (Cl. 118-413) The present invention relates to a device forapplying cement or other adhesive to a wall joint tape.

The primary object of the present invention is to provide a device whichautomatically applies the right amount of cement or other adhesive to aroll of wall joint tape as the roll is unwound.

Another object of the present invention is to provide a cementapplicator for wall joint tapes which is readily taken apart forcleaning, and one which may be partially taken apart for cleaningwithout emptying the hopper of its load of cement.

A further object of the present invention is to provide a cementapplicator for wall joint tapes which applies the cement to the tapewith more cement in the center of the tape than along the side edges.

A still further object of the present invention is to provide a cementapplicator for wall joint tapes which is sturdy in construction, able towithstand hard usage, and one which is economical to manufacture and ishighly efiective in action.

' These and other objects and advantages of the present invention willbe fully apparent from the following description when taken inconnection with the annexed drawings, in which: i t

Figure 1 is a view in perspective of the applicator of the presentinvention showing in dotted lines a roll of wall joint tape carriedthereon;

Figure 2 is a side view in cross section on line 2-2 of Figure 1;

Figure 3 is a vertical view partially in cross section on line 3-3 ofFigure 2;

Figure 4 is a partial view in cross section on line 4-4 of Figure 2; and

Figure 5 is an end view on line 5-5 of Figure 2.

Referring in greater detail to the drawing in which like numeralsindicate like parts throughout the several views, the present inventionconsists in an adhesive applicator having a horizontally disposed basewith legs 11 for supporting the base on a table, bench, of othersurface, and having a hopper 12 rising from the base 10 with one end 13of the hopper adjacent the one end 14 of the base.

The base 10 has a wide slot or opening 15 extending inwardly from theone end 14 longitudinally of the base, as indicated in Figures 2 and 3,the hopper 12 having an open bottom overlying and in registry with theopening 15 in the base when the hopper is secured to the base. The sidesof the opening 15 support a slidable closure member embodying a plate 16formed with top and bottom flanges 17 and 18, respectively, as best seenin Figure 4. One end of the plate 16 has a beveled edge as indicated bythe reference numeral 19 which, with the portion 20 of the base 10adjacent the inner end of the opening 15, provides a slotted passage forthe intermediate portion of a roll of wall joint tape, the roll beingshown in dotted lines in Figures 1 and 2 and indicated by the referencenumeral 21.

2,179,307 Patented Jan. 29, 1957 The one end 13 of the hopper 12 has adispensing aper ture 22 (Figure 4) connected in communication with theopening 15 in the base 10, the outer wall of the hopper at that endhaving guide strips 23 and a cross bar 24 with a locking thumb screw 25for holding a scraper blade 26 over the aperture 22. The lower edge 27of the blade 26 is arcuately curved as seen in Figures 1 and 4 so thatthe cement is applied thicker in the center of the tape than along theedges.

The other end of the base 10 is provided with a recess 28 in its upperface, there being a bridge element 29 in the center of the base havingupstanding ribs 30 on which slides a second closure member embodying asecond plate 31. The recess 28 extends longitudinally on the base andhas one end extending into the hopper with the sides of the recesscontiguous with the sides of the opening 15 so that when the plate 16ismoved from its position closing the bottom of the hopper and theopening in the base, a second plate 31 may he slid from its position inthe recess in the upper face of the base exteriorly of the hopper to aposition within the hopper closing the opening in the base.

The first plate 16 has its other end projecting from the opening in thebase and provided with an upturned lip 32 forming a handle for pullingthe plate 16 from the base.

An arm 33 projects upwardly from the end of the base remote from thehopper and has a projecting shaft 34 for supporting the roll of tape. Astop 35 on one end of the plate 31 prevents a total removal of the plate31 from Within the hopper, and another stop 36 on the other end preventsthe plate 31 from going further into the hopper than is necessary toclose the opening 15.

The hopper is secured to the base 10 by means of its outwardlyprojecting flanges 37 which are locked to the base by means of L-shapedbolts 38, there being provided positioning pins 39 in the base 10 andcooperating notches in the ends of the flanges 37 for locating thehopper upon the base 10.

The plate 16 is locked within the hopper by means of another L-shapedbolt 40 projecting through a threaded opening in the side of the base10. A handle 41 is provided on the end of the plate 31 so that the plate16 may be pushed from its position closing the opening in the base 10outwardly to a position exteriorly of the hopper for cleaning andadjustment of the tape.

When a roll of tape is used up, a new roll is placed on the shaft 34 andthe free end of the roll is passed under the base between the legs tothe end 14 of the base. The plate 31 is then pushed inwardly ejectingthe plate 16 as it reaches its position closing the opening. The plate16 is then placed under the end portion of the tape and is reinserted inthe opening, pushing the plate 31 back to its original position andmaking the applicator ready for further use. I

As the tape is pulled outwardly over the plate 16, the proper amount ofcement or other adhesive will be piled upon the top of the tape andsmoothed by the blade 26.

The top flanges 17 of the plate 16 form guideways for keeping theintermediate portion of the roll of tape positioned within the hopper12.

What is claimed is:

1. An adhesive applicator for wall joint tapes comprising a horizontallydisposed base having a longitudinally arranged opening extendinginwardly from one end thereof, a hopper having an open bottom risingfrom said base with said bottom in registry with said opening adapted tocontain adhesive, said hopper having a dispensing aperture in one wallthereof, a first closure member normally closing the opening in saidbase and connected to said base for movement from the position closingsaid opening to a position out of closing relation, a second closuremem- 3; bet normally supported on the portion of said base exteriorly ofsaid hopper in end to end spaced relation with respect to said firstclosure member and connected by. a .bridge,element-carried l by saidbase andhavinggnpstanding ribs slidably, engagingtthe under face of;said.

second closure member to said base for sliding-movement towardv and awayfrom. said hopper saidsecondl closure member upon executionofitsmovement. toward said hopper causingvthe confronting end toabuttheadja-v cent end of said first closure member, and effect themovement of saidfirst closure memberttorits non-closingposition, andmeans for feeding a web of Wall. joint tapeto be coated-over saidfirstclosurev member and-out offsaid dispensing, aperture, said web while:being supported on said firsttclosurexmember. re'ceivingon thefacefacing said hopper bottom a coatingof.adhesiveifromrsaid hopper.

2. A11 adhesive applicator for wall. joint tapes comprising ahorizontally, disposedzbasehaving a 1ongitudia nally arrangedopeningextending inwardlytfrom oneend thereof, ahopper having anopenbottom rising from said base with said bottom in registry with said.opening adapted-to contain adhesive saidthopper. having a' dispensingaperture in one wall thereof, a first-closure member normally closingthe opening in'said base and connectedvto said base for movement fromthe position closing saidl opening to a position out of. closingrelation, asecond closure member normally supported on. the portion ofsaid base exteriorly of said hopper in end-to end spaced relation withrespect. to said first closurev member and connected by abridgeelementcarried by said base and having upstanding ribs slidably engagingthe-under face of said second closure member to saidbase for slidingmovement toward and away from said hopper,,said second closure memberuponexecution of its movement toward said hopper causing, theconfronting .end to.abuti the adjacent end of said first closure memberand effect the movement of' said first closure member. to its non.-

closing position, means for feeding a web of wall joint.

member having a bevelededge for guiding said'web of" material to becoated, and'm'eans on said" base exteriorly of'said hopper forsupportingaroll of wall joint. tape.

3. An adhesive applicator for wall joint tapes comprisiiig ahorizontally disposed base having a longitudinally arranged openingextending inwardly from one end thereof, a hopper having an open bottomrising from said base 5 with said bottom in registry with said openingadapted to contain adhesive, said hopper having a dispensing aperture inone wall thereof, a first closure member normally closing the opening insaid base and connected to said base-for movement from the positionclosing said opening to a position out of closing relation, a secondclosure member. normally supported on the portion of said baseexteriorly of said hopper in end to end spaced relation with respect tosaid first closure member and connected by a bridge element carried bysaid base'and having upstanding ribs slidably engaging the under face ofsaid second closure member to said base for sliding movement toward andaway from said hopper, said second closure member upon execution of itsmovement toward said hoppercausing theconfronting end to abut theadjacent end of said first closure member and effect the movement ofsaid first closure member to its non-closing'p'osition, means forfeeding a Web of'wall joint tape to'be coat'ed'over said'first closuremember and out of said dispensing aperturqvsaid Web While beingsupportedon said first closure member receivingvon the face facing saidhopper'bott'o'mi a'coating of adhesive from said hopper, said adjacentendfofsaid'first closure member having abevelededge"for'guidingsaid webof material to be coated, means on said base exteriorly of said hopperfor supporting a roll of wall joint tape, means onsaid first closuremember for'gui ding'said Web of wall joint'tape from said beveled"edgethereof to' said dispensing aperture, and means on said onewallofsaid'hopper and cooperating with said dispensing aperture for applyingadhesive to said web with'm'ore of said adhesive centrally of said webthana'long'its-sideedges.

References Cited in the file of thispatent UNITED STATES PATENTS1,935,060 Perkins Nov; 14,1933 2,623,497 Smith et al. Dec. 30, 19522,679,232 Brown May 25, 1954 2,717,575 Merrifield Sept. 13,, 1955-

